objectiveForce.H

Go to the documentation of this file.

/*---------------------------------------------------------------------------*\
  =========                 |
  \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
   \\    /   O peration     |
    \\  /    A nd           | www.openfoam.com
     \\/     M anipulation  |
-------------------------------------------------------------------------------
    Copyright (C) 2007-2020 PCOpt/NTUA
    Copyright (C) 2013-2020 FOSS GP
    Copyright (C) 2019 OpenCFD Ltd.
-------------------------------------------------------------------------------
License
    This file is part of OpenFOAM.
 
    OpenFOAM is free software: you can redistribute it and/or modify it
    under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    OpenFOAM is distributed in the hope that it will be useful, but WITHOUT
    ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    for more details.
 
    You should have received a copy of the GNU General Public License
    along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
 
Class
    Foam::objectives::objectiveForce
 
Description
 
SourceFiles
    objectiveForce.C
 
\*---------------------------------------------------------------------------*/
 
#ifndef objectiveForce_H
#define objectiveForce_H
 
#include "objectiveIncompressible.H"
#include "wallFvPatch.H"
#include "createZeroField.H"
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
namespace Foam
{
 
namespace objectives
{
 
/*---------------------------------------------------------------------------*\
                        Class objectiveForce Declaration
\*---------------------------------------------------------------------------*/
 
class objectiveForce
:
    public objectiveIncompressible
{
protected:
 
    // Protected Data
 
        labelHashSet forcePatches_;
        vector forceDirection_;
        scalar Aref_;
        scalar rhoInf_;
        scalar UInf_;
 
        autoPtr<volVectorField> stressXPtr_;
        autoPtr<volVectorField> stressYPtr_;
        autoPtr<volVectorField> stressZPtr_;
 
 
public:
 
    //- Runtime type information
    TypeName("force");
 
 
    // Constructors
 
        //- Construct from components
        objectiveForce
        (
            const fvMesh& mesh,
            const dictionary& dict,
            const word& adjointSolverName,
            const word& primalSolverName
        );
 
 
    //- Destructor
    virtual ~objectiveForce() = default;
 
 
    // Member Functions
 
        //- Return the objective function value
        scalar J();
 
        //- Update values to be added to the adjoint wall velocity
        void update_boundarydJdp();
 
        //- Update delta(n dS)/delta b multiplier
        void update_dSdbMultiplier();
 
        //- Update delta(x)/delta b multiplier
        void update_dxdbMultiplier();
 
        //- Update dJ/dStress multiplier
        void update_dJdStressMultiplier();
 
        //- Return denominator, without density
        virtual scalar denom() const;
 
        //- Return force direction
        const vector& forceDirection() const;
};
 
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
} // End namespace objectives
} // End namespace Foam
 
// * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
#endif
 
// ************************************************************************* //